| SEVENSON ENVIRONMENTAL SERVICES, INC.CUYAHOGA GORGE DAM SEDIMENT REMEDIATION - GLNPO - TASK ORDER AWARD UNDER GLNPO-RRS MATOC | 562910 | OH | $132,162,808 | Aug 20, 202935 mo | |
| C M C, INC.SOUTHSIDE CHATTANOOGA SITE RESIDENTIAL REMEDIATION ACTIVITIES AND SERVICES REQUIRED TO PROTECT PUBLIC HEALTH AND ENVIRONMENTAL ISSUES AT THE SITE. SSID:B4J4RA02 ; | 562910 | TN | $71,272,091 | Sep 30, 20260 mo 3 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCTHIS IS A REMEDIATION ACTION FRAMEWORK (RAF) REMEDIATION ENVIRONMENTAL SERVICES (RES) TASK ORDER (TO) TO PROVIDE REMEDIATION TO SOURCE MATERIAL AND PRINCIPAL THREAT WASTE IN OPERABLE UNIT 2 (OU2) CONTAMINATED SOILS AND SEDIMENTS AT THE JACKSON CERAMI | 562910 | PA | $68,392,409 | Sep 30, 202824 mo 3 offers | |
| LEISNOI DIVERSIFIED-KEMRON 8A JV, LLCOTTAWA RADIATION NPL 8, OTTAWA, IL DOL MEGAPROJECT | 562910 | IL | $66,874,085 | Apr 11, 20277 mo 10 offers | |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.QSS CONTRACT: SUPERFUND ANALYTICAL SERVICES BRANCH (ASB) TASK ORDER | 541611 | VA | $54,141,324 | Jan 31, 20274 mo | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCREMEDIAL ACTION FRAMEWORK (RAF / REMEDIATION ENVIRONMENTAL SERVICES (RES) TASK ORDER - U.S. EPA REGION 6 AMERICAN CREOSOTE WORKS INC. SUPERFUND SITE REMEDIATION IN WINNFIELD, LOUISIANA | 562910 | LA | $47,150,577 | Sep 16, 202824 mo 4 offers | |
| CDM FEDERAL PROGRAMS CORPORATIONR10 DES - PORTLAND HARBOR SUPERFUND SITE REMEDIAL DESIGN SERVICES | 562910 | OR | $46,998,309 | Sep 27, 202824 mo 1 offer | |
| C M C, INC.WESTSIDE LEAD SUPERFUND SITE, REMEDIAL ACTION SITE ID: GAN000407160 (C482) | 562910 | GA | $44,999,600 | Sep 30, 20260 mo 2 offers | |
| KEMRON/ARROWHEAD JV, LLCVELSICOL NORTH DISPOSAL AREA SOIL VAPOR EXTRACTION SYSTEM REMEDIAL ACTION | 562910 | TN | $44,637,366 | May 29, 20278 mo 1 offer | |
| KEMRON ENVIRONMENTAL SERVICES, INC.MISSISSIPPI PHOSPHATE SITE WATER TREATMENT SYSTEM. SSID: B45U | 562910 | MS | $41,972,440 | Sep 30, 20260 mo 3 offers | |
| AECOM TECHNICAL SERVICES, INC.VELSICOL DOWNGRADIENT VERTICAL BARRIER WALL IN ST. LOUIS, MI. | 562910 | MI | $37,614,722 | Feb 27, 20275 mo 2 offers | |
| J. F. BRENNAN COMPANY, INC.SPIRIT LAKE PHASE III TASK ORDER UNDER GLNPO-RRS MATOC | 562910 | MN | $35,448,417 | Oct 20, 202713 mo | |
| S C & A INC"TACKLING EMERGING CONTAMINANTS (TEC) WATER TECHNICAL ASSISTANCE (WATERTA)" | 541620 | VA | $35,278,841 | Sep 18, 20260 mo | |
| ARROWHEAD CONTRACTING, LLCCONTRACT THROUGH AMRCS FOR RESPONSE ACTIVITIES TO ADDRESS CONTAMINATED SOIL REMOVAL AND DISPOSAL AT THE COVE TRANSFER STATION (CTS) COMPLEX | 562910 | AZ | $33,626,699 | Jan 24, 20274 mo 3 offers | |
| EQ & CH REMEDIATIONVALMONT TCE (031M) OU01 $32,441,052.50 CONTRACT: RES/EQ & QH REMEDIATION, CONTRACT: 68HERH19D0009, TASK ORDER: NEW GOVT RA: COMPLETION OF RA USING IN-SITU THERMAL REMEDIATION TO DEPLETE TCE CONTAMINATION AND GROUNDWATER EXTRACTION TREATMENT TO | 562910 | PA | $32,741,107 | Oct 31, 202825 mo 3 offers | |
| EASTERN RESEARCH GROUP INCCLOSING AMERICAS WASTEWATER ACCESS GAP COMMUNITY PROGRAM SUPPORT | 541620 | MA | $31,579,376 | Feb 15, 20275 mo | |
| CH2M HILL, INCR10 DES: REMEDIAL DESIGN (RD) FOR WYCKOFF/EAGLE HARBOR SUPERFUND SITE | 562910 | WA | $30,156,767 | Sep 30, 202824 mo 1 offer | |
| ENVIRONMENTAL RESTORATION LLCREGION 6, EMERGENCY AND RAPID RESPONSE SERVICES V (ERRS V) - FOR THE SMITTY'S SUPPLY FIRE P00001 IS TO ADD FUNDING TO ALLOW RAPID MOBILIZATION OF EMERGENCY AND RAPID RESPONSE SERVICES (ERRS) | 562910 | TX | $30,012,086 | Aug 29, 20260 mo 1 offer | |
| J. F. BRENNAN COMPANY, INC.THOMSON RESERVOIR REMEDIAL ACTION | 562910 | MN | $29,955,336 | Oct 30, 202713 mo | |
| ENVIRONMENTAL RESTORATION LLCREGION 6, EMERGENCY AND RAPID RESPONSE SERVICES V (ERRS V) - FOR THE SMITTY'S SUPPLY FIRE | 562910 | TX | $29,947,814 | Aug 29, 20260 mo 1 offer | |
| A AND M ENGINEERING & ENVIRONMENTAL SERVICES, INCR7 ORONOGO-DUENWEG MINING BELT, OPERABLE UNIT 1 REMEDIAL ACTION, TRI-STATE MINING DISTRICT. | 562910 | MO | $28,733,595 | Oct 31, 202713 mo | |
| MAXIMUS FEDERAL TECHNOLOGY SOLUTIONS, LLCOCFO OPERATIONS AND MAINTENANCE SUPPORT SERVICES | 541512 | DC | $26,224,234 | Aug 31, 20260 mo 4 offers | |
| KEMRON/ARROWHEAD JV, LLCRAF, RES_CLIN 0002: REMEDIAL CONSTRUCTION AND REMOVAL ACTIVITIES, 57TH AND NORTH BROADWAY, WICHITA, KANSAS. | 562910 | KS | $25,799,334 | Sep 24, 202824 mo 2 offers | |
| HYDROGEOLOGIC, INC.THIS IS A REMEDIATION ACTION FRAMEWORK (RAF) REMEDIATION ENVIRONMENTAL SERVICES (RES) TASK ORDER (TO) TO PROVIDE REMEDIATION TO SOURCE MATERIAL AND PRINCIPAL THREAT WASTE IN OPERABLE UNIT 2 (OU2) CONTAMINATED SOILS AND SEDIMENTS AT THE BAGHURST DRIVE | 562910 | PA | $25,003,054 | Sep 30, 202824 mo 2 offers | |
| HYDROGEOLOGIC, INC.RES CIDRA GROUNDWATER CONTAMINATION SITE RA (RAMALLO SOILS / GW PLUME) | 562910 | PR | $23,309,118 | Sep 30, 202824 mo 1 offer | |
| EQM SERVICES, LLCHAVERTOWN GWTF | 562910 | PA | $23,292,629 | Sep 30, 20260 mo 1 offer | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCR7 RES: HASTINGS GROUNDWATER SUPERFUND CONTAMINATION SITE SECOND STREET OPERABLE UNIT 12 (OU12) | 562910 | NE | $23,289,984 | Aug 28, 20260 mo 2 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCR7 RES SOUTHWEST JEFFERSON COUNTY MINING SITE OU1 RESIDENTIAL YARDS REMEDIAL ACTION 02 | 562910 | KS | $23,225,727 | Nov 30, 202714 mo 2 offers | |
| HYDROGEOLOGIC, INC.RES PESTICIDE WAREHOUSE III (OU1 & OU2) SUPERFUND SITE (SSID 02RP) REMEDIAL ACTION (RA) | 562910 | PR | $22,973,223 | Sep 30, 20260 mo 1 offer | |
| CONTI FEDERAL SERVICES, LLCSALFORD QUARRY - RES CLIN 1 | 562910 | PA | $22,206,494 | Oct 31, 202825 mo | |
| AHTNA-BRENNAN JV, LLCLOWER ROUGE RIVER OLD CHANNEL LRROC GREAT LAKES NATIONAL PROGRAM OFFICE PHASE II REMEDIAL ACTION CONSTRUCTION. | 562910 | MI | $21,315,304 | Aug 31, 20260 mo 1 offer | |
| HYDROGEOLOGIC, INC.RES CREESE AND COOK TANNERY RA001 AND RA002. CONTRACT: 68HERH19D0010 | 562910 | MA | $21,026,255 | Sep 18, 20260 mo 2 offers | |
| WESTON SOLUTIONS INCSTART V TASK ORDER TITLE: REGION 6 START V COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT (CERCLA) TASK ORDER THE PURPOSE OF THIS TASK ORDER IS FOR EMERGENCY RESPONSE, READINESS, REMOVAL ASSESSMENT, REASSESSMENT, AND PRP REMOV | 541620 | PA | $20,806,931 | Aug 7, 202823 mo | |
| AECOM TECHNICAL SERVICES, INC.WALTON & LONSBURY RA001/RA003 (RES) SUPERFUND SITE | 562910 | MA | $20,797,670 | Jan 28, 20274 mo 5 offers | |
| KGSNE JV II LLCSUPERFUND TECHNICAL ASSESSMENT & RESPONSE TEAM (START) 8-A CONTRACT BROWNFIELDS TASK ORDER | 562910 | MA | $18,047,426 | Sep 15, 202712 mo | |
| ENVIRONMENTAL QUALITY MANAGEMENT, INCR7 CHEROKEE COUNTY, KANSAS, OU3 BAXTER SPRINGS AND OU8 EPA-LEAD RAIL LINES | 562910 | KS | $17,330,787 | Jul 31, 202710 mo | |
| BONNER ANALYTICAL TESTING COBONNER ANALYTICAL TESTING COMPANY (BON) TASK ORDER INITIATION | 541380 | MS | $16,983,038 | Sep 9, 20260 mo | |
| DATA SYSTEMS ANALYSTS INCINFORMATION SECURITY AND PRIVACY PROGRAM SUPPORT SERVICES | 541512 | DC | $15,816,787 | Oct 22, 202713 mo 3 offers | |
| TETRA TECH, INC.LOWER DARBY CREEK AREA (LDCA) SUPERFUND SITE (MULTIPLE OPERABLE UNITS (OUS) DESIGN AND ENGINEERING SERVICES (DES) THE PURPOSE OF THIS TASK ORDER (TO) IS TO PROVIDE SUPPORT AND ADDITIONAL SERVICES RELATED TO A VARIETY OF PLANNED ACTIVITIES RELATE | 562910 | PA | $15,758,897 | Sep 30, 202712 mo 1 offer | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCASSISTANCE TO SUPPORT OF THE DRINKING WATER STATE REVOLVING FUND PROGRAM WILL BE PROVIDED IN THE FORM OF DIRECT TECHNICAL SUPPORT TO STATES, TRIBES, TERRITORIES, AND COMMUNITIES. THE TECHNICAL SUPPORT EFFORT WILL HELP RECIPIENTS TO IDENTIFY AND IMPLE | 541715 | MD | $14,753,071 | Aug 19, 202711 mo 1 offer | |
| WILSON 5 SERVICE COMPANY, INC.OPERATIONS, MAINTENANCE, AND SUPPORT SERVICES FOR THE ATLANTIC COASTAL ENVIRONMENTAL SERVICES DIVISION (ACESD) FACILITIES LOCATED AT NARRAGANSETT RI | 561210 | RI | $14,651,496 | Sep 30, 20260 mo 1 offer | |
| CH2M HILL, INCRAF DES NEW TASK ORDER FOR IRON KING MINE-HUMBOLDT SMELTER REMEDIAL DESIGN/REMEDIAL ACTION SUPPORT | 562910 | CA | $14,590,425 | Sep 27, 202824 mo 4 offers | |
| CARDINAL POINT CAPTAINS, INC.OPERATION AND MAINTENANCE SUPPORT SERVICES FOR EPA GLNPO RESEARCH VESSELS | 483114 | WI | $14,506,824 | Feb 13, 202929 mo 3 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCTHIS REQUIREMENT IS FOR CONSTRUCTION SERVICES ON THE KEYSTONE OU 1 REMEDIAL ACTION SITE IN INDIANAPOLIS, IN. WORK AT THE SITE INVOLVES IN-SITU THERMAL TREATMENT (ISTT). TASK ORDER HAS BEEN AWARDED UNDER CLIN 0002 OF THE REMEDIAL ENGINEERING SERVICES | 562910 | IN | $14,483,889 | Sep 30, 20260 mo 4 offers | |
| TETRA TECH, INC.THE CONTRACTOR PROVIDE TECHNICAL SUPPORT AND ASSISTANCE FOR THE USEPA NAVAJO ABANDONED URANIUM MINES (NAUM) PROGRAM AS IT DEVELOPS PROGRAM STANDARDS, TRAININGS AND WORKSHOPS, AND OTHER TECHNICAL SUPPORT WORK NEEDED FOR SITE INVESTIGATION. | 541620 | NM | $13,504,856 | Mar 1, 202818 mo | |
| KEMRON/ARROWHEAD JV, LLCR7 RES: CHEROKEE COUNTY SUPERFUND SITE REMEDIATION OF OU3 AND OU7 RESIDENTIAL SOILS, CHEROKEE COUNTY, KANSAS | 562910 | KS | $13,486,877 | Nov 15, 202714 mo 2 offers | |
| EQ & CH REMEDIATIONARROWHEAD PLAING - RES | 562910 | OH | $13,354,180 | Sep 30, 20260 mo 2 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCR7 RES WASHINGTON COUNTY LEAD DISTRICT, OLD MINES, POTOSI, AND FURNACE CREEK SUPERFUND SITES OU1 RESIDENTIAL SOILS REMEDIATION WASHINGTON COUNTY, MISSOURI | 562910 | MO | $13,268,422 | Dec 31, 20263 mo 3 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCR10 RES: WYCKOFF/EAGLE HARBOR SUPERFUND SITE WELLFIELD REPLACEMENT AND THERMAL PILOT TEST DEMOLITION | 562910 | WA | $13,203,175 | Mar 31, 20276 mo 1 offer | |
| FIDELIS-BBD, LLCR7, REMEDIATION SERVICES FOR CHEROKEE COUNTY SUPERFUND SITE OU#4 TREECE SUBSITE CHEROKEE COUNTY, KANSAS. | 562910 | KS | $12,956,387 | Sep 30, 202712 mo | |